package cn.tedu.sp11.filter;

import cn.tedu.web.util.JsonResult;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.apache.commons.lang.StringUtils;
import org.apache.http.protocol.RequestContent;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

@Component
public class AccessFilter extends ZuulFilter {
    @Override
    public String filterType() {
        //return "pre";
        return FilterConstants.PRE_TYPE;
    }

    @Override
    public int filterOrder() {
        return 6;
    }

    @Override
    public boolean shouldFilter() {

        RequestContext ctx=RequestContext.getCurrentContext();
        String serviceId= (String) ctx.get(FilterConstants.SERVICE_ID_KEY);
        return "item-service".equalsIgnoreCase(serviceId);
    }

    @Override
    public Object run() throws ZuulException {
      RequestContext ctx=RequestContext.getCurrentContext();
        HttpServletRequest request=ctx.getRequest();
        String token=request.getParameter("token");
        if(StringUtils.isBlank(token)){
            ctx.setSendZuulResponse(false);
            ctx.addZuulRequestHeader("Content-Type","application/json");
            ctx.setResponseStatusCode(JsonResult.NOT_LOGIN);
            ctx.setResponseBody(JsonResult.err()
                                .code(JsonResult.NOT_LOGIN)
                                .msg("not login").toString());
        }
        return null;
    }
}
